Reina, a new nurse, recommends that her beloved fiancé be admitted to the hospital where she works in order to find a cure for a serious and incurable disease. The results of her tests reveal that she can only be treated with unlicensed drugs from overseas. Although she cannot be used normally, the director asks him to give her Reina's youthful body to him in exchange for using the medicine for clinical use. She wants to save him and agrees to her conditions.